hydrogen and its compounds, Chemistry

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A sample of water contains: suspended matter = 100 mg; Ca(NO3)2 = 16.4 mg/L; MgSO4 = 24 mg/L; MgCl2 = 19 mg/L; NaOH = 40 mg/L and KOH = 56 mg/L. Calculate temporary, permanent and total hardness of the water sample in °Fr. (Atomic masses of Na = 23; Mg = 24; K = 39 and Ca = 40)

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